9 million+ users across instances. X, with more advance usability and feature.

Most popular in East Asia. 1 million+ users. Emphasize on playful social media. Unique feature:

• custom emoji reaction (like Discord)
• games
• groups
• custom theme, interface and UI
• achievement
• optional community ads (useful for promoting indie games, art event, etc)
• optional private following/followers
• Misskey-flavoured markdown

Note: Due to nature of privacy, most of instances privated their MAU users. Almost all statistics are inaccurate.

Instagram

Reddit.

YouTube, Vimeo, Twitch. Useful to self-host organization video and still directly interactable to people.

Social network for indie blogs.

WriteFreely is an open-source, minimalist, federated, self-hosted blogging platform. It was built for and by Write.as and can be used to power a similar community or just a single blog.

General forums. Native ActivityPub support.

Tumblr. Supports booth ActivityPub and AtProto (Bluesky) combined.

DEV Community -alike

Old X microblogging. Has compability with Misskey-flavoured markdown

LinkedIn alternative for fediverse.

Old Facebook. Includes group and social circle feature.

Hubzilla is a powerful platform for creating interconnected based websites featuring a decentralised identity, communications, and permissions framework built using common webserver technology. Hubzilla is very suitable for communities (of any size).

Decentralized social network on the fediverse. Usable for both #microblogging and full length #blog posts. Editing both content and replies is supported.

Federated micro-blogging platform with a content subscription service.

Elgg is a leading open source social networking engine which can be used to power your social network.

VK SNS

Gush! is a federated social media platform for sharing the things you love.

A simple, minimalistic ActivityPub server written in portable C.

Single user instance

GoToSocial is an ActivityPub social network server, written in Golang.

Single user instance

Single user ActivityPub server.

Microblogging via SSH

Publish short texts and links, and socialise in the Social Web (a.k.a. the Fediverse).

This is a fork of Pleroma, which is a microblogging server software that can federate (= exchange messages with) other servers that support ActivityPub. What that means is that you can host a server for yourself or your friends and stay in control of your online identity, but...

Soft-fork of Misskey

Iceshrimp is a derivative of Misskey that has been offering practical solutions, enhancements, and improvements since 2023. It is designed to address user needs directly, focusing on delivering straightforward fixes and features that users find valuable.

Open-source, self-hosted streaming platform supports Android, iOS, podcasts, uploads, sharing, no ads or tracking, federated across decentralized instances.

Open-source self-hosting for podcasts, offering direct audience interaction, decentralized Fediverse integration, analytics, promotion tools, monetization, and distribution.

Tiktok-alike

3D model social sharing. Useful for 3D printing community.

Owncast is a self-hosted live video and web chat server for use with existing popular broadcasting software. Point your live stream at a server you personally control and regain ownership over your content.

Bandcamp

Instagram

Goodreads.

Bangumi-alike. Their main community is in Chinese.

Bangumi: Chinese animation, live-action, game, and musics tracker and review.

Letterboxd

Optional support. https://meta.discourse.org/t/activitypub-plugin/266794

Reddit